Universal Robots UR5 Service Manual page 119

7. Troubleshooting
C50A5 Power supply voltage
too low
C50A6 Power supply voltage
too high
C50A11 Voltage not detected
at 24V rail after
startup
C50A15 Warning, waiting for
SafetySYS2
C50A16 The Teach Pendant
does not respond
C50A17 The Euromap67
interface does not
respond
C50A18 Warning, waiting for
SafetySYS1
C50A19 Warning, Waiting for a
valid "euromap67
activated" status bit
from secondary
Safety Control Board
C50A20 5V, 3V3 or ADC error
(5V too high)
C50A21 5V, 3V3 or ADC error
(5V too low)
C50A22 Robot current sensor
reading too high
C50A23 Robot current sensor
reading too low
User Manual
voltage is below 40V
Voltage is above 56V
24 V to the I/O interface in
the controller
SafetySYS2 = Processor B on
Safety Control Board
Loose wire or incorrect
safety configuration.
Loose wire or incorrect
safety configuration
SafetySYS1 = Processor A
on Safety Control Board
113
Check 48 V cable between
Power supply and Safety
Control Board.
a) Check the Teach
Pendant cable and
connections.
b) Check the settings in the
miscellaneous tab in the
Safety menu.
a) Check the Euromap 67
cable and connections.
b) Check the settings in the
miscellaneous tab in the
Safety menu.
UR5